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Bubbling Colors: A Science Activity for Toddlers

For Try Something New Thursday, I wanted to do a science activity. I’d seen several different activities with baking soda and vinegar on Pinterest. Since I had both of those ingredients on hand, it seemed like a good activity to try. I especially loved the hidden colors activity on Busy Toddler’s blog, so I decided to try it.

To start, I put two old muffin tins into my sensory bin. Then, I put several drops of food coloring in each cup of two muffin tins. Some of the cups had just one color, and some of them had two different colors. Then, I poured some baking soda in each cup. I put the vinegar in a water bottle from the dollar store. With the cap open, the vinegar dribbled out slowly. It was perfect for Buddy to pour the vinegar on the baking soda. 

I set out the materials for Buddy to explore. Buddy initially wanted to explore them with his hands. But once I showed Buddy the water bottle of vinegar, he was excited to pour it into the cups. He loved the bubbles that came up! It took a little while before we could see any color, but that was extra exciting once they showed up.

Buddy was happy to keep pouring the vinegar into the baking soda. The longer we did it, the better we could see the colors. He kept walking around the container making sure that he got into all of the muffin tin cups. 

Once most of our bubbles were gone, I shook out the top of each tin into the bin. After I did that, it exposed the extra baking soda that was still dry. Then we were able to continue our experiment. 

This was a fun and easy activity. Buddy really had a lot of fun, and it was easy to clean up. I love that Buddy had a chance to do a science experiment. Hopefully, we will be able to do another experiment sometime this summer.

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